Home / 1,851.18-2,776.90-534.92

Finding the Fourth Proportional to 1,851.18, 2,776.90 and 534.92

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Solution

The fourth proportional to 1,851.18, 2,776.90 and 534.92 is: 802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.18 : 2,776.90 = 534.92 : x
  2. Step 2: Convert to fraction form
    1,851.18/2,776.90 = 534.92/x
  3. Step 3: Cross multiply
    1,851.18x = 2,776.90 × 534.92
  4. Step 4: Simplify right side
    1,851.18x = 1,485,419.35
  5. Step 5: Solve for x
    x = 1,485,419.35/1,851.18
  6. Step 6: Final answer
    x = 802.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.